H02M 1/4266
Using passive elements
Official title: {using passive elements}
H02M1/4266 (Using passive elements) appears on 194 US grants and 181 published applications in this corpus.
Search patents in H02M- Granted patents
- 194
- Published applications
- 181
- Assignees
- 167
- Inventors
- 457
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 5 |
| 2005 | 2 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 9 |
| 2014 | 5 | 20 |
| 2015 | 7 | 10 |
| 2016 | 14 | 9 |
| 2017 | 12 | 14 |
| 2018 | 12 | 9 |
| 2019 | 15 | 7 |
| 2020 | 10 | 12 |
| 2021 | 9 | 15 |
| 2022 | 10 | 10 |
| 2023 | 10 | 14 |
| 2024 | 8 | 13 |
| 2025 | 18 | 11 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inductive power transfer transmitter and system4 Aug 2026US 12,700,757 B2Intdevice Limited
- Power supply full-brick module with internal inrush current limit circuit2 Jun 2026US 12,647,018 B2AES Global Holdings PTE Ltd.
- Peak detecting circuiit for an input voltage and associated method26 May 2026US 12,638,479 B2Chengdu Monolithic Power Systems Co., Ltd.
- Vehicle-mounted power supply apparatus and vehicle14 Apr 2026US 12,604,439 B2Huawei Digital Power Technologies Co., Ltd.
- Power factor correction circuit24 Mar 2026US 12,587,092 B2GS Yuasa International Ltd.
- Power factor correction circuit17 Sep 2026US 2026/0280418 A1DRP Holdings LLC
- In-rush current limiter17 Sep 2026US 2026/0280445 A1Belimo Holding AG
- Power conversion apparatus, motor drive apparatus, and refrigeration cycle application apparatus6 Aug 2026US 2026/0229984 A1Mitsubishi Electric Corporation
- Relating to wireless power transfer2 Jul 2026US 2026/0189073 A1
- Power supply device and power supply system4 Jun 2026US 2026/0155753 A1Delta Electronics (Thailand) Public Co., Ltd.
Most cited
By later US patents
- Alternating-current fed power supply71US 4,084,217 ABBC Brown, Boveri & Company, Limited · 1978
- Harmonic compensator using low leakage reactance transformer60US 5,341,281 AAllen-Bradley Company, Inc. · 1994
- D-C Power supply circuit with high power factor48US 4,222,096 ALutron Electronics Co., Inc. · 1980
- Electronic power supply device44US 6,219,263 B1SGS-Thomson Microelectronics S.A. · 2001
- Low-ripple power rectifier system43US 4,369,490 APatent-Treuhand Gesellschaft fur Elektrische Gluhlampen GmbH · 1983